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valkas [14]
3 years ago
13

Margo can purchase tile at a store for $0.79 per tile and rent a tile saw for $24. At another store she can borrow the tile saw

for free if she buys tiles there for $1.19 per tile. How many tiles must she buy for the cost to be the same at both stores?
Margo must buy_____ tiles for the cost to be the same at both stores.
Mathematics
1 answer:
KATRIN_1 [288]3 years ago
5 0

Margo must buy 60 tiles for the cost to be the same at both stores.

Step-by-step explanation:

Let x be the number of tiles purchased

Then

For Store 1:

24+0.79x

For store 2:

1.19x

For the number of tiles, we have to put both expression equal

24+0.79x = 1.19x

subtracting 24 from both sides

24+0.79x-24 = 1.19x-24\\0.79x=1.19x-24

Subtracting 1.19x from both sides

0.79x-1.19x = 1.19x-24-1.19x\\-0.4x = -24

Dividing both sides by -0.4

\frac{-0.4x}{-0.4} = \frac{-24}{-0.4}\\x  =60

Hence,

Margo must buy 60 tiles for the cost to be the same at both stores.

Keywords: Linear equations

Learn more about linear equations at:

  • brainly.com/question/10666510
  • brainly.com/question/10699220

#LearnwithBrainly

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